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What Is DEF on a Semi Truck? Fluid, Filters, Problems & Maintenance(Post)
What Is a DEF (Diesel Exhaust Fluid) Filter? A DEF (Diesel Exhaust Fluid) filter protects the SCR (Selective Catalytic Reduction) system by removing dirt, debris, and contaminants from the DEF supply
How A/C Driers Work on Your Semi Truck(Post)Ever wondered why your semi truck’s AC runs smoothly, or why it suddenly stops working? Your A/C receiver, drier, or accumulator is the unsung heroe of your commercial vehicle. Maintaining your A/C d
Buyers Guide to Aftermarket Air Breather Panels(Post)Decorative light panels are an outstanding way to start personalizing your truck. Air breather panels offer tremendous visual appeal and can elevate your big rig's nighttime appearance. There are five
Semi-Truck Mattress Sizes: Fitment Chart & Buying Guide(Post)Looking for the right sized semi truck mattress? Every long-haul trucker should prioritize spending a sizeable portion of their budget on a quality mattress and driver's seat. That's where you spend
Seasonal Semi Truck Maintenance Checklist(Post)Freezing winter weather temperatures, heavy snow, ice, and road salt take an unseen toll on your semi truck. Corrosion directly affects your semi truck brakes, electrical terminals, suspension mounts
What Does the FASS Fuel System Do? (Post)Diesel fuel often contains air, vapor, water, and fine debris - harmful contaminants that hurt fuel pressure stability, injector life, and injection pump health. FASS (fuel air separation system) help
Preventative Maintenance Checklist for Semi Trucks(Post)In this post, we’ll cover the need for a semi truck preventative maintenance checklist, and some of the common replacement parts you can buy online and ship directly to your specified address. Key Ta
Signs of a Failing Heater Box & What to Do About It(Post)Experiencing refreshing cool air in the summer and warm air in the winter is nearly priceless when behind the wheel of a big rig for 11 hours a day. However, if your A/C heater box isn’t working, your
Semi Truck DPF Systems: How They Work, Problems, Regeneration & Parts(Post)Let’s break down how to maintain peak emissions performance and avoid excessive repairs on big truck exhausts. Key Takeaways DPFs trap soot, while DEF reduces harmful nitrogen oxide emissions. Watch
What Year Did Semi Trucks Get DPF Systems?(Post)When Did Semi Trucks Start Using DPF Systems? EPA Rules Explained Diesel particulate filters (DPFs) became standard equipment on new U.S. heavy-duty diesel trucks starting with the 2007 engine model y
Diesel Truck Engine Maintenance Guide(Post)Semi truck engines can last up to one million miles, or more, before they need to be rebuilt or replaced. During their lifespan, engine system parts experience a lot of heat and pressure, eventually
Spring Semi-Truck Maintenance: 5 Checks to Prevent Expensive Repairs(Post)Winter weather causes corrosion, contamination, wear, and hidden damage. Spring is a great time to inspect the truck thoroughly and stop small problems from becoming giant disasters. Five Spring Main
How to Buy the Right Peterbilt 379 Radiator(Post)If you want to keep your diesel engine from overheating you need a well-functioning replacement Peterbilt radiator to properly carry the hot coolant through small passages, transfer engine heat into t
Best Semi Truck Emergency Kit Accessories to Deter Roadside Breakdowns(Post)It’s cold, and late, and you’re suddenly stalled at the side of the road because your semi truck won’t start or won’t budge. If this sounds like a truck driver’s worst nightmare, it’s because it is.
What are Semi Truck Winter Fronts?(Post)A semi-truck winter front is a heavy-duty, weather-resistant cover designed to mount directly over a truck’s front grille. Typically manufactured from reinforced vinyl, canvas, or quilted fabric, it s
Wet Line Kits for Semi Trucks 101: The Basics Explained(Post)Ready to transform your rig into a hydraulic powerhouse? A semi-truck wet line kit can do the trick. One of these will turn your truck from a normal highway hauler into a workhorse capable of handlin
How to Winterize a Semi Truck: The Complete Driver Checklist(Post)Cold winter weather, freezing temperatures, snow-covered roads, and adverse weather conditions wreak havoc on semi truck engines and equipment, and can lead to costly repairs if damage occurs. Don’t c
Spare Semi Truck Parts Every Owner-Operator Should Keep(Post)For owner-operators, having the right spare parts on hand is the difference between experiencing devastating downtime and productive uptime. You don’t want to be caught on the side of the road waiting
What are the Most Frequently Replaced Semi Truck Parts?(Post)The parts of a class 8 truck that see the most frequent repair and replacement are areas where tons of heat, friction, and pressure occur. No-brainer, right? Here are some of the most frequently repl
Semi Truck DPF Box Covers & Slipcovers: Fitment Guide(Post)Semi Truck DPF Box Covers: Types, Fitment & Replacement What Is a DPF Box Cover on a Semi Truck? DPF box covers are exterior panels designed to conceal or protect the aftertreatment housing. They do n
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Seats Inc. Legacy Lo Low Profile High Back Seat W/ Dual Armrests - Brown Duraleather
SEATS INC
$1,511.99Legacy Lo Brown Duraleather Low Profile High Back Seat W/ Dual Armrests* High Quality Seat* Fully Reclining Mid-Highback Or Highback * 22-Inch, 4-Position Seat Cushion * 19-Inch Width Shoulder Region...188409MW63- SKU:
- 188409MW63
- Truck Class:
- Heavy Duty
- Color:
- Brown
- Style Options:
- High Back
- Material Options:
- DuraLeather
- Make:
- Universal Items
- Type Options:
- Low Base
- Product Type:
- Seats
$1,511.99Qty in Cart: 0Price:$1,511.99Subtotal: -
Intake Pre-Filter For LAF3551 Air Filter
FREEDOM AIR FILTERS
$76.99Intake Pre-Filter For P153551 Air Filter* High Quality Polyester Mesh Pre-Filter* This Is A Pre-Filter Wrap That Covers The Air Filter Element. Air Filter Element Not Included. Sold Separately.* Fits...09-0723000- SKU:
- 09-0723000
- Truck Class:
- Heavy Duty
- Make:
- Freightliner
- Make:
- Western Star
- Make:
- Kenworth
- Make:
- Peterbilt
- Product Type:
- Engine Parts
$76.99Qty in Cart: 0Price:$76.99Subtotal: -
FREE SHIPPING
BLEMISHED: Peterbilt 3 Inch Stainless Steel Sleeper Extension Panels W/ 22 - 3/4 Inch Amber/Amber LED Lights For Models W/ 70 Inch Sleeper
4 STATE TRUCKS
$339.99Sleeper Extension Panels W/ 22 Amber/Amber 3/4 Inch LEDs Fits Peterbilt 131 BBC W/ 36 Inch SleeperNormally $501.99 Plus Shipping, Buy This One Now For $339.99 with Free Shipping! You Save $162+ Plus...ZB10001885- SKU:
- ZB10001885
- Material Options:
- Stainless Steel
- Truck Class:
- Heavy Duty
- Make:
- Peterbilt
- Light Options:
- Without Lights
- Height Options:
- 3 Inch
- Color:
- Amber
$339.99Qty in Cart: 0Price:$339.99Subtotal: -
Steel Center Suspension Fame Bracket 21.25 Inch C To C For Kenworth W/ AG230 And AG460 Suspension
AFTERMARKET
$1,676.9921.25 Inch C To C Center Suspension Frame Bracket* High Quality Frame Bracket* Steel* 21.25 Inch C To C* For Center Suspension* Made In USA* Sold Individually * Warranty On Frame Brackets Against...02-0510015- SKU:
- 02-0510015
- Material Options:
- Steel
- Truck Class:
- Heavy Duty
- Make:
- Kenworth
- Product Type:
- Frame & Chassis
$1,676.99Qty in Cart: 0Price:$1,676.99Subtotal: -
3 Inch Stainless Cab Panel W/ 8 Amber/Clear P1 Lights For Peterbilt 389 131 BBC - Pair
PHOENIX DESIGN
$290.99Cab Panels W/ 8 Total Amber LED Clear Lens P1 Lights Fits Peterbilt 389 Extended HoodFor truckers who demand both style and function, these 3 Inch Stainless Cab Panels deliver 8 total P1 Amber/Clear...01-091200188- SKU:
- 01-091200188
- Light Options:
- With Lights
- Location:
- Made In USA
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- Peterbilt
- Finish Options:
- Polished
- Length Options:
- 47 Inch
- Product Type:
- Exterior
$290.99Qty in Cart: 0Price:$290.99Subtotal: -
Stainless Steel Cab Panels W/ 24 Amber 2 Inch Flat LEDs For International ProStar W/ Heater Plug 2008-2018
ROADWORKS
$659.99Stainless Steel Cab Panels W/ 24 Amber 2 Inch Flat LEDs Fits International ProStar* High Quality Cab Panels* Made Of Stainless Steel * For Trucks With Heater Plug * With 12- 2 Inch Amber Round Flat...07-091200188- SKU:
- 07-091200188
- Location:
- Made In USA
- Light Options:
- With Lights
- Truck Class:
- Heavy Duty
- Material Options:
- Stainless Steel
- Make:
- International
- Finish Options:
- Polished
- Length Options:
- 52 Inch
- Product Type:
- Exterior
$659.99Qty in Cart: 0Price:$659.99Subtotal: -
FREE SHIPPING OVER $249
Chrome Light Bar Mounting Bracket For LED Light Bars On Any Inch Diameter Post
UNITED PACIFIC
$11.01Chrome Plastic Light Bar Bracket* High Quality Light Bar Bracket* Made Of Chrome Plated Plastic* For Mounting Of United Pacific LED Light Bars On Any 1 Inch Diameter Post/Shaft* Stainless Steel...09-160200188- SKU:
- 09-160200188
- Truck Class:
- Universal
- Material Options:
- Plastic/Poly
- Make:
- Universal Items
- Finish Options:
- Chrome-Plated
- Product Type:
- Lighting
$11.01Qty in Cart: 0Price:$11.01Subtotal: -
Belmor White Vinyl 3 Slot Winter Front For Mack CH
BELMOR
$87.99White Vinyl 3 Slot Winter Front For Mack CH ModelAre you preparing your truck for cold temperatures? 4 State Trucks offers this very durable Vinyl Belmor Winter Front that helps reduce and redirect...11-120618800- SKU:
- 11-120618800
- Color:
- White
- Truck Class:
- Heavy Duty
- Location:
- Made In USA
- Material Options:
- Vinyl
- Make:
- Mack
- Product Type:
- Exterior
$87.99Qty in Cart: 0Price:$87.99Subtotal: -
Seats Inc. Bottom Cushion - Black / Burgundy For Legecy Silver Seat
SEATS INC
$452.99Replacement Black / Burgundy Bottom Cushion For Legecy Silver Seat* High Quality Bottom Cushion* For Legacy Silver Seat* Color: Two Tone Black - Burgundy* Sold Individually* Warranty On Bottom...188014MN1164- SKU:
- 188014MN1164
- Truck Class:
- Heavy Duty
- Make:
- Universal Items
- Product Type:
- Seats
$452.99Qty in Cart: 0Price:$452.99Subtotal: -
Seats Inc. Legacy Silver Seat W/ High Back, STD Base - DuraLeather Black / Gray
SEATS INC
$1,263.99Black / Gray DuraLeather High Back Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Legacy Silver Seat* Legacy Silver* High Back* Standard Base* Black-Gray 2 Tone Duraleather * Without...188121MN1165- SKU:
- 188121MN1165
- Color:
- Black
- Truck Class:
- Heavy Duty
- Style Options:
- High Back
- Material Options:
- DuraLeather
- Make:
- Universal Items
- Type Options:
- Standard Base
- Product Type:
- Seats
$1,263.99Qty in Cart: 0Price:$1,263.99Subtotal: -
Seats Inc. Legacy Silver Seat W/ High Back, STD Base, Armrests - DuraLeather Black / Gray
SEATS INC
$1,364.99Black / Gray DuraLeather High Back Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Legacy Silver Seat* Legacy Silver* High Back* Standard Base* Black-Gray 2 Tone Duraleather * With...188121MW1165- SKU:
- 188121MW1165
- Truck Class:
- Heavy Duty
- Color:
- Black
- Style Options:
- High Back
- Material Options:
- DuraLeather
- Make:
- Universal Items
- Type Options:
- Standard Base
- Product Type:
- Seats
$1,364.99Qty in Cart: 0Price:$1,364.99Subtotal: -
Seats Inc. Legacy Silver Seat W/ High Back, STD Base, Armrests, Bellows - DuraLeather Black / Burgundy
SEATS INC
$1,429.99Black / Burgundy DuraLeather High Back Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Legacy Silver Seat* Legacy Silver* High Back* Standard Base* Black-Burgundy 2 Tone Duraleather *...188121MWB1164- SKU:
- 188121MWB1164
- Truck Class:
- Heavy Duty
- Color:
- Red
- Style Options:
- High Back
- Material Options:
- DuraLeather
- Make:
- Universal Items
- Type Options:
- Standard Base
- Product Type:
- Seats
$1,429.99Qty in Cart: 0Price:$1,429.99Subtotal: -
Seats Inc. Legacy Lo Seat W/ High Back, Low Base, Armrests, Heat - DuraLeather Black / Gray
SEATS INC
$1,748.99Black / Gray DuraLeather Low Profile Heated Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Legacy Lo Seat* Legacy Lo * High Back* Lo Base* Black-Gray 2 Tone Duraleather * With...188321MWH1165- SKU:
- 188321MWH1165
- Truck Class:
- Heavy Duty
- Color:
- Black
- Style Options:
- High Back
- Material Options:
- DuraLeather
- Make:
- Universal Items
- Type Options:
- Low Base
- Product Type:
- Seats
$1,748.99Qty in Cart: 0Price:$1,748.99Subtotal: -
Seats Inc. Legacy Lo Seat W/ High Back, Low Base, Armrests, Heat - DuraLeather Black
SEATS INC
$1,693.99Black DuraLeather Low Profile Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Seat* Duraleather * Black* 18 Inch Ez Adjust Armrest* Skirt Style Suspension Cover* Heated Seat Cushion...188409MWH61- SKU:
- 188409MWH61
- Truck Class:
- Heavy Duty
- Color:
- Black
- Style Options:
- High Back
- Material Options:
- DuraLeather
- Make:
- Universal Items
- Type Options:
- Low Base
- Product Type:
- Seats
- Ready To Ship:
- Yes
$1,693.99Qty in Cart: 0Price:$1,693.99Subtotal: -
Seats Inc. Legacy Lo Seat W/ Mid Back, Low Base, Heated - DuraLeather Black
SEATS INC
$1,585.99Black DuraLeather Low Profile Heated Suspension Seat W/ Fully Reclining Backrest* High Quality Seat* Skirt Style Suspension Cover * Heated Seat Cushion And Back * Standard Features * Enhanced...188598MNH61- SKU:
- 188598MNH61
- Truck Class:
- Heavy Duty
- Color:
- Black
- Style Options:
- Mid Back
- Material Options:
- DuraLeather
- Make:
- Universal Items
- Type Options:
- Low Base
- Product Type:
- Seats
$1,585.99Qty in Cart: 0Price:$1,585.99Subtotal: -
Seats Inc Legacy LO Gray Dura-Leather Mid Back Low Base Truck Seat With Heat & EZ Adjust Armrests
SEATS INC
$1,693.99Gray DuraLeather Low Profile Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Air Ride Seat* Gray Dura-Leather * Skirt Style Suspension Cover * Heated Seat Cushion And Back * Standard...188598MWH65- SKU:
- 188598MWH65
- Color:
- Gray
- Truck Class:
- Heavy Duty
- Style Options:
- Mid Back
- Material Options:
- DuraLeather
- Make:
- Universal Items
- Type Options:
- Low Base
- Product Type:
- Seats
$1,693.99Qty in Cart: 0Price:$1,693.99Subtotal: -
Seats Inc. Legacy Silver Seat W/ Mid Back, STD Base - DuraLeather Gray
SEATS INC
$1,072.99Gray DuraLeather Mid Back Suspension Seat W/ Fully Reclining Backrest* High Quality Seat* Mid Back* Standard Base* Gray Duraleather* Without Armrests Or Suspension Cover* Standard Features * Enhanced...188891MN65- SKU:
- 188891MN65
- Color:
- Gray
- Truck Class:
- Heavy Duty
- Style Options:
- Mid Back
- Material Options:
- DuraLeather
- Make:
- Universal Items
- Type Options:
- Standard Base
- Product Type:
- Seats
$1,072.99Qty in Cart: 0Price:$1,072.99Subtotal: -
Seats Inc. Legacy Silver Seat W/ Mid Back, STD Base, Armrests, Bellows - DuraLeather Black
SEATS INC
$1,401.99Black DuraLeather Mid Back Suspension Seat W/ Fully Reclining Backrest* High Quality Seat* 18 Inch Ez Adjust Armrest * Bellow Style Suspension Cover * Standard Features * Enhanced Shoulder And Back...188891MWB61- SKU:
- 188891MWB61
- Color:
- Black
- Truck Class:
- Heavy Duty
- Style Options:
- Mid Back
- Material Options:
- DuraLeather
- Make:
- Universal Items
- Type Options:
- Standard Base
- Product Type:
- Seats
$1,401.99Qty in Cart: 0Price:$1,401.99Subtotal: -
Seats Inc. Legacy Silver Seat W/ High Back, STD Base - DuraLeather Brown - W/O Armrests
SEATS INC
$1,261.99Brown DuraLeather High Back Suspension Truck Seat W/ Fully Reclining BackrestThe Legacy Silver Seat is designed to make long hours of driving more comfortable and less fatiguing. The enhanced...188900MN63- SKU:
- 188900MN63
- Color:
- Brown
- Truck Class:
- Heavy Duty
- Style Options:
- High Back
- Material Options:
- DuraLeather
- Make:
- Universal Items
- Type Options:
- Standard Base
- Product Type:
- Seats
$1,261.99Qty in Cart: 0Price:$1,261.99Subtotal: -
Seats Inc. Legacy Silver Seat W/ High Back, STD Base, Armrests - DuraLeather Black
SEATS INC
$1,198.99Black DuraLeather High Back Suspension Truck Seat W/ Fully Reclining Backrest* High Quality Seat* 18 Inch Ez Adjust Armrest * Standard Features * Enhanced Shoulder And Back Support And Cushion...188900MW61- SKU:
- 188900MW61
- Color:
- Black
- Truck Class:
- Heavy Duty
- Style Options:
- High Back
- Material Options:
- DuraLeather
- Make:
- Universal Items
- Type Options:
- Standard Base
- Product Type:
- Seats
- Ready To Ship:
- Yes
$1,198.99Qty in Cart: 0Price:$1,198.99Subtotal: